326 search results - page 12 / 66 » Parallel Query Processing in Shared Disk Database Systems |
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
The sciences, business confederations, and medicine urgently need infrastructure for sharing data and updates among collaborators' constantly changing, heterogeneous databases...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
DEBS
2011
ACM
2011
ACM
DejaVu: a complex event processing system for pattern matching over live and historical data streams
12 years 11 months ago
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...